Effect of Medical Hypnosis in Virtual Reality on Insomnia Disorders

Inclusion Criteria: 1\. Patient suffering from insomnia as defined in the Diagnostic and Statistical Manual of Mental Disorders V (DMS-V) and the International Classification of Sleep Disorders. Exclusion Criteria: 1. Patient who, in the judgment of the investigator, has a disease that may preclude participation in study procedures. 2. Minor subject 3. Subject under judicial protection, guardianship or curatorship 4. Inability to give informed information about the subject: demented patients, psychotic patients or follow-up for a psychiatric pathology 5. Unbalanced epilepsy 6. Hearing and/or visual disorders that contraindicate the use of virtual reality headphones 7. Patient with a language barrier 8. Pregnant or breastfeeding patient 9. Subject in period of exclusion (determined by a previous or current study) 10. Patient Refusal 11. Patient currently being treated for depression, alcoholism or drug addiction. 12. Patient using drug treatment for insomnia not stabilized within 2 weeks prior to the start of the study. 13. Patient starting psychological, complementary or alternative medicine treatment for insomnia within 2 weeks prior to the start of the study, or during the study. 14. Patient receiving or having received CBT treatment for insomnia within the last 6 months. 15. Patient diagnosed with sleep apnea, involuntary limb movement, restless legs syndrome. 16. Patient with diagnosed medical conditions that cause insomnia: psychotic disorder, bipolar disorder, dementia, generalized anxiety disorder, panic disorder, manic disorder, schizophrenia, cancer.